21351368784

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{216037}}^1$

素因数の和:216148

約数の個数: 80

約数和(自身を含む): 57863617920

約数和(自身を除く): 36512249136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 71, 87, 116, 142, 174, 213, 232, 284, 348, 426, 464, 568, 696, 852, 1136, 1392, 1704, 2059, 3408, 4118, 6177, 8236, 12354, 16472, 24708, 32944, 49416, 98832, 216037, 432074, 648111, 864148, 1296222, 1728296, 2592444, 3456592, 5184888, 6265073, 10369776, 12530146, 15338627, 18795219, 25060292, 30677254, 37590438, 46015881, 50120584, 61354508, 75180876, 92031762, 100241168, 122709016, 150361752, 184063524, 245418032, 300723504, 368127048, 444820183, 736254096, 889640366, 1334460549, 1779280732, 2668921098, 3558561464, 5337842196, 7117122928, 10675684392, 21351368784]

約数ペア:

[(1, 21351368784), (2, 10675684392), (3, 7117122928), (4, 5337842196), (6, 3558561464), (8, 2668921098), (12, 1779280732), (16, 1334460549), (24, 889640366), (29, 736254096), (48, 444820183), (58, 368127048), (71, 300723504), (87, 245418032), (116, 184063524), (142, 150361752), (174, 122709016), (213, 100241168), (232, 92031762), (284, 75180876), (348, 61354508), (426, 50120584), (464, 46015881), (568, 37590438), (696, 30677254), (852, 25060292), (1136, 18795219), (1392, 15338627), (1704, 12530146), (2059, 10369776), (3408, 6265073), (4118, 5184888), (6177, 3456592), (8236, 2592444), (12354, 1728296), (16472, 1296222), (24708, 864148), (32944, 648111), (49416, 432074), (98832, 216037)]